It would be nice if paintings would spread a buff around them that depends on the colors and their combinations (+proportions) used in the painting. Similarly, knarrs, banners and etc. could also spread some buff around them.
- a motivation to make paintings for sewing, cooking, dining and etc. places. For instance, a community center might have a great hall with the paintings where people could come and receive the buffs to craft;
- a motivation to buy the sketches from the shop.